What is the air quality in Greenfield today?

The current Air Quality Index (AQI) in Greenfield is 18 (Good). PM2.5 concentration is 4.3 µg/m³.

What is the temperature in Greenfield right now?

The current temperature in Greenfield is 15.2°C (feels like 15.2°C). Humidity is 63.2% and wind speed is 39.9 km/h.

Is it safe to go outside in Greenfield?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Greenfield, United States

Partly Cloudy

15.2°C · 63.2% humidity

15.2°

Feels 15.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

24 3pm

18 6pm

23 9pm

24 12am

25 3am

25 6am

25 9am

24 12pm

Air Quality Index Trend

36h · 4 stn

View full history →

Greenfield's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

63.2%

Humidity

39.9 km/h

Wind ENE

1022.2 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.3 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Greenfield?

Temperature & Precipitation

PM2.5 Trend

36h · 4 stations

PM2.54.3 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

4.3

Median

4.3

Average

4.3

Low

4.3

High

PM2.5 µg/m³ · Model: 6.15 · Bias: +1.9

Both models agree Avg diff: 3.8°C

Where are air quality stations near Greenfield?

Fishers, Indiana, USA

24.4 km PM2.5: 5.5 µg/m³

What cities are near Greenfield?

18 Lawrence 18 Fishers 17 Shelbyville 18 Broad Ripple 18 Indianapolis 18 Greenwood 18 Noblesville 20 Anderson 18 Carmel 18 New Castle

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-22T22:44 UTC.